<%# The license inside this block applies to this file.
	# Copyright 2019 Google Inc.
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	#     http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
-%>
func flatten<%= prefix -%><%= titlelize_property(property) -%>(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return v
	}
	disks := v.(map[string]interface{})
	transformed := make([]interface{}, 0, len(disks))
	for devName, deleteRuleRaw := range disks {
		diskObj := deleteRuleRaw.(map[string]interface{})
		source, err := getRelativePath(diskObj["source"].(string))
		if err != nil {
			source = diskObj["source"].(string)
		}
		transformed = append(transformed, map[string]interface{}{
			"device_name": devName,
			"delete_rule": diskObj["autoDelete"],
			"source": source,
			"mode": diskObj["mode"],
		})
	}
	return transformed
}